What are some disadvantages to the JAMAR? Naim 00:29 Handheld Dynamometry What are some disadvantages to the JAMAR? Answer: - Heavy - Requres 3-4lbs of force for indicator to move (not appropriate for frail) - Greater error at lower readings - No standardized protocol - Positions 1 and 5 are least reliable Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+